Trusted Chain Based on UEFI BIOS
Yan Caixia · Microcomputer Information · 2011
The security of personal computer become more and more important,the security of BIOS affect the security of computers.This paper firstly analyzes the PC BIOS issue of security,describes something about EFI/UEFI,analyzes the research situation about UEFI BIOS,puts the definition about trusted UEFI BIOS,to the questions of BIOS security,bring forward a method of build trusted chain in UEFI and based on a trusted platform module(TPCM),analyzes the implementation procedures of UEFI BIOS and transfer process of trusted chain,solves the security problems in trusted chain transmission of BIOS.